CN208666705U - Lithium battery diaphragm cutting device - Google Patents
Lithium battery diaphragm cutting device Download PDFInfo
- Publication number
- CN208666705U CN208666705U CN201820659733.XU CN201820659733U CN208666705U CN 208666705 U CN208666705 U CN 208666705U CN 201820659733 U CN201820659733 U CN 201820659733U CN 208666705 U CN208666705 U CN 208666705U
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- China
- Prior art keywords
- lithium battery
- battery diaphragm
- winding
- driving
- cutting device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a kind of lithium battery diaphragm cutting devices comprising what lithium battery diaphragm sequentially passed through in the slitting process unreels structure, front haulage structure, cutting structure, winding structure and support construction；It further includes the driving structure to reciprocatingly slide on the wound membrane part progress front-rear direction in driving winding structure；Wound membrane part in the driving structure driving winding structure carries out reciprocatingly sliding on front-rear direction, to make the film road of lithium battery diaphragm in wrapup procedure not generate variation because the coil diameter of winding part increases, reduce the tension fluctuation of lithium battery diaphragm to the full extent so that in entire wrapup procedure lithium battery diaphragm tension stability.
Description
Technical field
The utility model relates to lithium battery diaphragm processing technique fields, and in particular to a kind of lithium battery diaphragm cutting device.
Background technique
Lithium battery is a kind of battery by lithium metal or lithium alloy as negative electrode material, organic solution as electrolyte.
It is now widely used on portable electronic product.Compared with traditional water-soluble solution battery, lithium battery specific energy with higher,
Long cycle life and it is environmentally friendly the advantages that, be a kind of battery system that development potentiality is very big.
In the structure of lithium battery, diaphragm is crucial one of inner assembly, its performance determine the interfacial structure of battery,
Internal resistance etc. directly affects capacity, circulation and the security performance of battery.The main function of diaphragm: first is that allowing electrolyte ion
Pass through, second is that separating the positive and negative electrode of battery, prevents the two poles of the earth from contacting and short circuit occurs.Normally, the diaphragm produced is one
Film greatly, width is at 1 meter or more, and diaphragm width required for client is often below the original width of diaphragm, so wanting
According to the demand of client, to this, a film is cut greatly, and film is cut into required width.
In the prior art, most lithium battery diaphragm cutting machine by food packaging applications packaging material cutting machine improve and
At such equipment precision is poor, can not adapt to low-tension winding mode, is not particularly suited for lithium battery diaphragm field.
Therefore, it now needs to provide a kind of lithium being applicable in and can accurately control membrane tension, strict control diaphragm tensile property
Battery diaphragm slitting device.
Utility model content
For this purpose, the utility model provides a kind of lithium battery diaphragm cutting device comprising lithium battery diaphragm was being cut
What is sequentially passed through in journey unreels structure, front haulage structure, cutting structure, winding structure and support construction；It further includes driving
Wind the driving structure to reciprocatingly slide on the wound membrane part progress front-rear direction in structure.
The structure that unreels includes shaftless active release volume structure, and the front haulage structure includes several front guide rolls, at least one
Unwinding tension roller, unwinding motor and at least one main traction roller, the cutting structure include pneumatic clipper cutter and several bed plaves
Roller, the winding structure include at least two groups winding component, and the winding component includes winding back flow roll, winding pressure roller and wound membrane
Part, the driving structure include at least two groups driving assembly, and the driving component includes drive cylinder and drive rod；Wherein, institute
It states wound membrane part to be slidably mounted in the support construction, the drive rod connect with the wound membrane part and in the driving oil
The wound membrane part reciprocatingly sliding in the longitudinal direction is driven under the action of cylinder.
It further include being entangled set on what the progress between the shaftless active release volume structure and the front haulage structure was laterally rectified a deviation
Inclined monitoring of structures and the material receiving spliced for lithium battery diaphragm.
It further include PLC control structure, the unwinding tension roller detects the tension of lithium battery diaphragm and will test knot
Fruit feeds back to the PLC control structure, and the PLC control structure carries out the speed of unwinding motor according to the testing result of receiving
Control.
The winding component is set as two groups and goes to upper and lower in the support construction arranged symmetrically, wherein the driving group
Part is also set as two groups and is arranged in a one-to-one correspondence with the winding component.
It further include that pressure controlled air cylinder structure is carried out to winding pressure roller.
The utility model compared with the existing technology, has the following advantages that place:
In the present invention, the wound membrane part in the driving structure driving winding structure carries out reciprocal on front-rear direction
Sliding, so that variation will not be generated because the coil diameter of winding part increases by making the film road of lithium battery diaphragm in wrapup procedure, it is maximum
The tension fluctuation of lithium battery diaphragm is reduced in degree so that in entire wrapup procedure lithium battery diaphragm tension stability.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is lithium battery diaphragm cutting device schematic diagram described in the utility model；
Description of symbols: the shaftless active release volume structure of 1-；2- correction monitoring of structures；3- material receiving；4- unwinding tension
Roller；The main traction roller of 5-；6- cutting structure；Back flow roll is wound on 7-；Pressure roller is wound on 8-；Pressure roller is wound under 9-；Back is wound under 10-
Roller；11- driving structure；12- last volume membrane；The upper wound membrane part of 12-.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
As shown in Figure 1, present embodiments providing lithium battery diaphragm cutting device comprising lithium battery diaphragm is in cutting process
In sequentially pass through unreel structure, front haulage structure, cutting structure 6, winding structure and support construction；It further includes that driving is received
Wound membrane part in volume structure carries out the driving structure 11 to reciprocatingly slide on front-rear direction.
In the present embodiment, the wound membrane part in the driving of the driving structure 11 winding structure carries out reciprocal on front-rear direction
Sliding, so that variation will not be generated because the coil diameter of winding part increases by making the film road of lithium battery diaphragm in wrapup procedure, it is maximum
The tension fluctuation of lithium battery diaphragm is reduced in degree so that in entire wrapup procedure lithium battery diaphragm tension stability.
Specifically, it includes shaftless active release volume structure 1 that the embodiment of the present invention, which unreels structure, and the front haulage structure includes
Several front guide rolls, at least a unwinding tension roller 4, unwinding motor and at least one main traction roller 5, the cutting structure 6 include gas
Dynamic shearing dise knife and several bottom knife rollers, the winding structure include at least two groups winding component, and the winding component includes winding
Back flow roll, winding pressure roller and wound membrane part, the driving structure 11 include at least two groups driving assembly, and the driving component includes driving
Oil cylinder and drive rod；Wherein, the wound membrane part is slidably mounted in the support construction, the drive rod and the wound membrane
Part connects and drives the wound membrane part reciprocatingly sliding in the longitudinal direction under the action of the drive cylinder.
Further, the present embodiment further includes being set between the shaftless active release volume structure 1 and the front haulage structure
The correction monitoring of structures 2 laterally rectified a deviation and the material receiving 3 for lithium battery diaphragm splicing；The correction monitoring of structures 2
It is all made of published corresponding construction in the prior art with the material receiving 3, is no longer repeated herein.
On the basis of the above embodiments, the present embodiment further includes PLC control structure, and the unwinding tension roller 4 is to lithium electricity
The tension of pond diaphragm, which is detected and will test result, feeds back to the PLC control structure, and the PLC control structure is according to receiving
Testing result the speed of unwinding motor is controlled.
As preferred embodiment, the winding component is set as two groups and goes to upper and lower in the support construction symmetrical
Setting, wherein the driving component is also set as two groups and is arranged in a one-to-one correspondence with the winding component；Specifically, the winding
Component includes upper winding component and lower winding component, the upper winding component include upper winding back flow roll 7, upper winding pressure roller 8 and on
Wound membrane part 13, the lower winding component include lower winding back flow roll 10, lower winding pressure roller 9 and last volume membrane 12, the winding component
Upper and lower set-up mode make wind film road shorten as far as possible, thus stablize lithium battery film tension and reduce lithium battery it is thin
The stretcher strain of film；Meanwhile further including that pressure controlled air cylinder structure is carried out to winding pressure roller, each winding structure has independent
Winding tension and wind the pressure adjustable of pressure roller, therefore the winding component also can be carried out the lithium battery diaphragm of became uneven
Smoothly winding.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (6)
1. lithium battery diaphragm cutting device comprising structure that lithium battery diaphragm sequentially passed through in the slitting process unreel preceding is led
Guiding structure, cutting structure (6), winding structure and support construction；It is characterized by: it further includes the volume in driving winding structure
Membrane carries out the driving structure (11) to reciprocatingly slide on front-rear direction.
2. lithium battery diaphragm cutting device according to claim 1, it is characterised in that: the structure that unreels includes shaftless master
Dynamic to unreel structure (1), the front haulage structure includes several front guide rolls, at least one unwinding tension roller (4), unwinding motor and extremely
A few main traction roller (5), the cutting structure (6) includes pneumatic clipper cutter and several bottom knife rollers, the winding structure packet
At least two groups winding component is included, the winding component includes winding back flow roll, winding pressure roller and wound membrane part, the driving structure (11)
Including at least two groups driving assembly, the driving component includes drive cylinder and drive rod；Wherein, the wound membrane part is slidable
It is mounted in the support construction, the drive rod connect with the wound membrane part and drives institute under the action of the drive cylinder
State wound membrane part reciprocatingly sliding in the longitudinal direction.
3. lithium battery diaphragm cutting device according to claim 2, it is characterised in that: further include being set to the shaftless active
Unreel correction monitoring of structures (2) that the progress between structure (1) and the front haulage structure is laterally rectified a deviation and for lithium battery every
The material receiving (3) of film splicing.
4. lithium battery diaphragm cutting device according to claim 2, it is characterised in that: it further include PLC control structure, it is described
Unwinding tension roller (4), which detects the tension of lithium battery diaphragm and will test result, feeds back to the PLC control structure, described
PLC control structure controls the speed of unwinding motor according to the testing result of receiving.
5. lithium battery diaphragm cutting device according to claim 2, it is characterised in that: the winding component be set as two groups and
Gone to upper and lower in the support construction arranged symmetrically, wherein the driving component be also set as two groups and with the winding component one
One is correspondingly arranged.
6. lithium battery diaphragm cutting device according to claim 2, it is characterised in that: further include pressing winding pressure roller
The air cylinder structure that power is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820659733.XU CN208666705U (en) | 2018-05-04 | 2018-05-04 | Lithium battery diaphragm cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820659733.XU CN208666705U (en) | 2018-05-04 | 2018-05-04 | Lithium battery diaphragm cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208666705U true CN208666705U (en) | 2019-03-29 |
Family
ID=65822813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820659733.XU Active CN208666705U (en) | 2018-05-04 | 2018-05-04 | Lithium battery diaphragm cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208666705U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374257A (en) * | 2020-10-28 | 2021-02-19 | 惠州市巨星科技有限公司 | Slitting mechanism for lithium battery |
| CN112777375A (en) * | 2021-01-19 | 2021-05-11 | 江苏厚生新能源科技有限公司 | Secondary slitting method for reducing rolling wavy edges |
-
2018
- 2018-05-04 CN CN201820659733.XU patent/CN208666705U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374257A (en) * | 2020-10-28 | 2021-02-19 | 惠州市巨星科技有限公司 | Slitting mechanism for lithium battery |
| CN112374257B (en) * | 2020-10-28 | 2023-01-13 | 惠州市巨星科技有限公司 | Slitting mechanism for lithium battery |
| CN112777375A (en) * | 2021-01-19 | 2021-05-11 | 江苏厚生新能源科技有限公司 | Secondary slitting method for reducing rolling wavy edges |
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